<header class="navbar-default navbar-fixed-top" role="navigation">
    <div class="container-fluid">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#main">
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            </button>
            <a class="navbar-brand" href="#">Syslab</a>
        </div>
        <div class="navbar-collapse collapse" id="main">
            <ul class="nav navbar-nav navbar-left">
                <li data-href="labs">
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                <li data-href="my" data-toggle="modal" data-target="#myModal" data-keyboard="false">
                    <a>我的</a>
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            <ul class="nav navbar-nav navbar-right">
                <li class="dropdown">
                    <a class="dropdown-toggle" data-toggle="dropdown">
                        用户名<span class="caret"></span>
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                    <ul class="dropdown-menu" role="menu">
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                        <li class="divider"></li>
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